Question

. If the circumference of the circle with radius 3.5cm is 22cm find the perimeter of semicircle of same radius *
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Answer 1

Answer:

Circumference = 2 pie r

Given,

c =22 cm

r = 3.5 cm

Thus,

C = 2 pie r

= 2 × 22/7 × 35/10

= 22 cm

thus ,

perimeter of semicircle = Circumference of semicircle

= pie r

= 22/7 × 35/10

= 11 cm

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